package section_11;

import java.util.*;

/**
 * @Author ZhangGJ
 * @Date 2019/10/02
 */
public class Synchronization {
    public static void main(String[] args) {
        Collection<String> c = Collections.synchronizedCollection(new ArrayList<String>());
        List<String> list = Collections.synchronizedList(new ArrayList<String>());
        Set<String> s = Collections.synchronizedSet(new HashSet<String>());
        Set<String> ss = Collections.synchronizedSortedSet(new TreeSet<String>());
        Map<String, String> m = Collections.synchronizedMap(new HashMap<String, String>());
        Map<String, String> sm = Collections.synchronizedSortedMap(new TreeMap<String, String>());
    }
}
